whAt DiD most EuropEAn sCholArs BEliEvE BEForE 17th CEntury ABout-thE sizE oF thE univErsE
A．thAt it CAn't BE mEAsurED.
B．thAt it DoEsn't ChAngE.
C．thAt it's gEtting smAllEr.
D．thAt it's rApiDly inCrEAsin